1243474654747 has 16 divisors (see below), whose sum is σ = 1392876334080. Its totient is φ = 1102316810400.

The previous prime is 1243474654711. The next prime is 1243474654769. The reversal of 1243474654747 is 7474564743421.

It is a happy number.

It is not a de Polignac number, because 1243474654747 - 2¹¹ = 1243474652699 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1243474654691 and 1243474654700.

It is not an unprimeable number, because it can be changed into a prime (1243474654547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11724097 + ... + 11829682.

It is an arithmetic number, because the mean of its divisors is an integer number (87054770880).

Almost surely, 2^{1243474654747} is an apocalyptic number.

1243474654747 is a deficient number, since it is larger than the sum of its proper divisors (149401679333).

1243474654747 is a wasteful number, since it uses less digits than its factorization.

1243474654747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23553954.

The product of its digits is 63221760, while the sum is 58.

The spelling of 1243474654747 in words is "one trillion, two hundred forty-three billion, four hundred seventy-four million, six hundred fifty-four thousand, seven hundred forty-seven".